With one in for Californians now at least partly vaccinated against COVID-19, questions are surfacing about the durability of the vaccine and how long will it protect the recipient from the virus.
Betty Yu reports.
(3-25-21)
With one in for Californians now at least partly vaccinated against COVID-19, questions are surfacing about the durability of the vaccine and how long will it protect the recipient from the virus.
Betty Yu reports.
(3-25-21)